# Buyruqlar
 
# ls
README.md

# touch test.txt test2.txt

# ls
README.md
test2.txt
test.txt

# wc README.md test.txt test2.txt
 10  19 124 README.md
  0   0   0 test.txt
  0   0   0 test2.txt
 10  19 124 total

# wc *.txt
0 0 0 test.txt
0 0 0 test2.txt
0 0 0 total

# echo *.txt
test.txt test2.txt
 
# echo t???.txt
test.txt
 
# echo te*.txt
test.txt test2.txt

# echo ~
/home/ubuntu

# echo \*
*

# echo \*\!\#
*!#

# echo '*'
*

# echo "@**"
@**

# export test=Salom

# echo $test
Salom

# echo "$test"
Salom

# echo "$test va yana nimadir"
Salom va yana nimadir
